diff --git a/pkgs/development/python-modules/garages-amsterdam/default.nix b/pkgs/development/python-modules/garages-amsterdam/default.nix
index 98ce3ff0ec24..0b11b9642680 100644
--- a/pkgs/development/python-modules/garages-amsterdam/default.nix
+++ b/pkgs/development/python-modules/garages-amsterdam/default.nix
@@ -13,7 +13,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "klaasnicolaas";
     repo = "garages_amsterdam";
-    rev = version;
+    rev = "v${version}";
     sha256 = "16f2742r9p3mrg2nz8lnkgsxabbjga2qnp9vzq59026q6mmfwkm9";
   };